Home / 34,354.05-51,515.28-12,168.15

Finding the Fourth Proportional to 34,354.05, 51,515.28 and 12,168.15

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Solution

The fourth proportional to 34,354.05, 51,515.28 and 12,168.15 is: 18,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.05 : 51,515.28 = 12,168.15 : x
  2. Step 2: Convert to fraction form
    34,354.05/51,515.28 = 12,168.15/x
  3. Step 3: Cross multiply
    34,354.05x = 51,515.28 × 12,168.15
  4. Step 4: Simplify right side
    34,354.05x = 626,845,654.33
  5. Step 5: Solve for x
    x = 626,845,654.33/34,354.05
  6. Step 6: Final answer
    x = 18,246.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.